package com.dang.alex.service.serviceInterface;

import java.util.List;

import com.dang.alex.model.Book;
import com.dang.alex.model.Product;

public interface ProductServiceInterface {

	public Book findById(int id) throws Exception;
	
	public List<Product> findByHot(int i) throws Exception;
	
	public List<Product> findByNew(int i) throws Exception;
}
